/**
* Check if a new version is available
*
* @param string $updaterUrl the url to check, i.e. 'http://apps.owncloud.com/updater.php'
* @return array|bool
*/
public function check($updaterUrl = null) {
// Look up the cache - it is invalidated all 30 minutes
if (((int)$this->config->getAppValue('core', 'lastupdatedat') + 1800) > time()) {
return json_decode($this->config->getAppValue('core', 'lastupdateResult'), true);
}
if (is_null($updaterUrl)) {
$updaterUrl = 'https://apps.owncloud.com/updater.php';
}
$this->config->setAppValue('core', 'lastupdatedat', time());
if ($this->config->getAppValue('core', 'installedat', '') == '') {
$this->config->setAppValue('core', 'installedat', microtime(true));
}
$version = \OC_Util::getVersion();
$version['installed'] = $this->config->getAppValue('core', 'installedat');
$version['updated'] = $this->config->getAppValue('core', 'lastupdatedat');
$version['updatechannel'] = \OC_Util::getChannel();
$version['edition'] = \OC_Util::getEditionString();
$version['build'] = \OC_Util::getBuild();
$versionString = implode('x', $version);
//fetch xml data from updater
$url = $updaterUrl . '?version=' . $versionString;
// set a sensible timeout of 10 sec to stay responsive even if the update server is down.
$tmp = array();
$xml = $this->httpHelper->getUrlContent($url);
if ($xml) {
$loadEntities = libxml_disable_entity_loader(true);
$data = @simplexml_load_string($xml);
libxml_disable_entity_loader($loadEntities);
if ($data !== false) {
$tmp['version'] = $data->version;
$tmp['versionstring'] = $data->versionstring;
$tmp['url'] = $data->url;
$tmp['web'] = $data->web;
}
} else {
$data = array();
}
// Cache the result
$this->config->setAppValue('core', 'lastupdateResult', json_encode($data));
return $tmp;
}
